Beginning in middle age and continuing through later adulthood, individuals are often motivated by events in their own lives or the lives of significant others to obtain health-related information.^^ Health-related concerns draw many adults into a new domain of science learning. At the same time, with retirement, older adults have more time to devote to personal interests. Their science learnmg addresses long-standing scientific interests as well as new areas of interest.^^
Adults differ fr...

As we ascend the scale of cerebral development the possibility of teaching increases. It becomes possible to domesticate and train these higher-brain animals in just the measure that their brains are developed. You can teach very little to a fish or a reptile, but directly you come to the higher cerebral mammals you are confronted by the new possibility of establishing an artificial, taught, motive system to control, supplement or altogether replace natural instinct. You must catch them young...

THE MAGNA CORTICA
ORIGINAL TENETS
(DATE UNKNOWN BUT BEFORE BF 80)
I. Self knowledge. Sapient beings have the right to know whether they’ve been mentally modified.
II. Self-modification. Sapient beings have the right to pursue self-modification.
III. Refusing modification. They also have the right to refuse it.
IV. Modification (or not) of progeny. Sapient beings have the right to modify—or not—their own progeny.
V. Knowledge of who has been modified or selfupgraded. Polities and ...

We supposed at first that the mental unity of these little avians was telepathic, but in fact it was not. It was based on the unity of a complex electromagnetic field, in fact on "radio" waves permeating the whole group. Radio, transmitted and received by every individual organism, corresponded to the chemical nerve current which maintains the unity of the human nervous system. Each brain reverberated with the ethereal rhythms of its environment; and each contributed its own peculiar theme to...